A few common misconceptions in the interpretation of experimental spectroscopic data

Brik M.G. Srivastava A.M. Popov A.I.
May 2022 Elsevier B.V.

Optical Materials
2022 #127

Proper presentation and interpretation of the experimental spectroscopic data is critical to understanding of the luminescence of solids that can increase fundamental scientific knowledge and serve as a practical guide to the development of commercially useful phosphors and other functional optical materials. We find prevalence of erroneous interpretation of the spectroscopic data in scientific reports that are caused by mistakes related to the estimation of the experimental band gaps, location of the defect levels in the band gaps, decomposition of the wide spectral bands into individual Gaussians and meaningful comparison of full widths at half maximum (FWHM). We hope that citing these issues will help researchers avoid making these common mistakes in the interpretation of the spectroscopic data.

Absorption , Band gap , Defect energy levels , Full width at half maximum

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School of Optoelectronic Engineering & CQUPT-BUL Innovation Institute, Chongqing University of Posts and Telecommunications, Chongqing, 400065, China
Institute of Physics, University of Tartu, W. Ostwald Str. 1, Tartu, 50411, Estonia
Faculty of Science and Technology, Jan Długosz University, Armii Krajowej 13/15, Częstochowa, PL-42200, Poland
Academy of Romanian Scientists, Ilfov Str. No. 3, Bucharest, 050044, Romania
Current Lighting Solutions, LLC, Cleveland, 44110, OH, United States
Institute of Solid State Physics, University of Latvia, Kengaraga Street 8, Riga, LV-1063, Latvia
Faculty of Physics and Technical Sciences, L.N. Gumilyov Eurasian National University, Nur-Sultan, 010008, Kazakhstan

School of Optoelectronic Engineering & CQUPT-BUL Innovation Institute
Institute of Physics
Faculty of Science and Technology
Academy of Romanian Scientists
Current Lighting Solutions
Institute of Solid State Physics
Faculty of Physics and Technical Sciences

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